Walmart offers Sertapedic Zen Plush Pillow, Standard/Queen, 4 Pack for $20 (orig. $39.98).  Free shipping with Walmart+ or on orders over $35.

Product Description:

Sleep in Zen comfort with SertaPedic Zen Plush Pillows, 4-Pack. Premium Gel Fiber mimics the loft and comfort of down while adjusting to your ideal sleep position. The knit shell is soft and breathable to keep you cool and comfortable all night long. The Standard 20x26 inch size will fit most standard pillow cases. Serta has been pioneering comfortable sleep since 1931. Every SertaPedic pillow is designed to provide exceptional comfort. With a broad range of support levels and technology to choose from in the SertaPedic line, there are options to fit every sleep position. Have your most Zen night of sleep, every night with SertaPedic Zen Plush. Not just sort of comfortable, Serta comfortable.
Sertapedic 4 Pack Zen Plush Pillow:

• Includes 4 Pillows
• Standard 20" x 26" size
• Premium Gel Fiber mimics the loft and comfort of down
• Ideal for all sleep positions
• Machine wash and dry
• Infused knit is soft and breathable
• Not just sorta comfortable, Serta comfortable